Home / 1,694.32-2,340.83-1,602.05

Finding the Fourth Proportional to 1,694.32, 2,340.83 and 1,602.05

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Solution

The fourth proportional to 1,694.32, 2,340.83 and 1,602.05 is: 2,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.32 : 2,340.83 = 1,602.05 : x
  2. Step 2: Convert to fraction form
    1,694.32/2,340.83 = 1,602.05/x
  3. Step 3: Cross multiply
    1,694.32x = 2,340.83 × 1,602.05
  4. Step 4: Simplify right side
    1,694.32x = 3,750,119.00
  5. Step 5: Solve for x
    x = 3,750,119.00/1,694.32
  6. Step 6: Final answer
    x = 2,213.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.